Plasma 8-epi-PGF2 alpha levels are elevated in individuals with non-insulin dependent diabetes mellitus.

abstract：:Vav functions as a specific GDP/GTP nucleotide exchange factor which is regulated by tyrosine phosphorylation in the hematopoietic system. Loss of the amino-terminus sequences of Vav was sufficient to control its transforming potential and its function in T cells. We report here the identification of the hematopoietic...

journal_title：FEBS letters

authors： Groysman M,Russek CS,Katzav S

更新日期：2000-02-04 00:00:00

abstract：:Highly selective affinity labeling of the primer site of E. coli DNA polymerase I was performed with the 5'-reactive derivatives of oligothymidylate in the presence of poly(dA) template. Subtilysine cleavage proved that the site of affinity modification belonged to the 'Klenow' part of DNA polymerase I. If taken separ...

journal_title：FEBS letters

authors： Mitina RL,Mustaev AA,Zaychikov EF,Khomov VV,Lavrik OI

更新日期：1990-10-15 00:00:00

abstract：:Autolysis of the Ca(2+)-dependent cysteine protease m-calpain involves cleavage of the large (80 kDa) and small (30 kDa) subunits of the enzyme, and an increase in Ca2+ sensitivity. The appearance of increased Ca2+ sensitivity was found to correlate with the cleavage of the large subunit after residue 9. ...

journal_title：FEBS letters

authors： Brown N,Crawford C

更新日期：1993-05-03 00:00:00

abstract：:ZAP-70 is a protein tyrosine kinase (PTK) that plays a critical role in T cell activation. To study the role of ZAP-70 catalytic activity in this process, a substrate capable of distinguishing between the activities of ZAP-70 and other PTKs would be useful, especially since it has recently been shown that ZAP-70 inter...

journal_title：FEBS letters

authors： Watts JD,Brabb T,Bures EJ,Wange RL,Samelson LE,Aebersold R

更新日期：1996-12-02 00:00:00

abstract：:Mycobacterium avium subsp. hominissuis (MAH) is an environmental bacterium causing opportunistic infections. The objective of this study was to identify flexible genome regions in MAH isolated from different sources. By comparing five complete and draft MAH genomes we identified a genomic island conferring additional ...

journal_title：FEBS letters

authors： Lahiri A,Sanchini A,Semmler T,Schäfer H,Lewin A

更新日期：2014-11-03 00:00:00

abstract：:The molecular species compositions of monoacylglycerols obtained from various rat tissues were examined by reverse-phase high-performance liquid chromatography (HPLC) and gas chromatography-mass spectrometry (GC-MS) analyses. We confirmed that 2-arachidonoylglycerol, an endogenous cannabinoid receptor agonist, is one ...

journal_title：FEBS letters

authors： Kondo S,Kondo H,Nakane S,Kodaka T,Tokumura A,Waku K,Sugiura T

更新日期：1998-06-12 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) Rev is a small RNA-binding protein which is essential for viral replication. To investigate the structure of Rev we have mapped the binding sites of a panel of monoclonal antibodies (mAb) by protein footprinting and identified a mAb protecting amino acids within both the N- ...

journal_title：FEBS letters

authors： Jensen TH,Jensen A,Szilvay AM,Kjems J

更新日期：1997-09-01 00:00:00

abstract：:The nervous and immune systems have similar functional characteristics. Both have an intricate network of synaptic connections and an exquisite communication system that enable intercellular signal transduction. Although semaphorins were originally identified as guidance cues in neural development, accumulating eviden...

journal_title：FEBS letters

authors： Okuno T,Nakatsuji Y,Kumanogoh A

更新日期：2011-12-01 00:00:00

abstract：:The STARD1 subfamily of 'START' lipid trafficking proteins can reduce macrophage lipid content and inflammatory status (STARD1; StAR), and traffic cholesterol from endosomes (STARD3/MLN64). During macrophage differentiation, STARD1 mRNA and protein increase with sterol content, while the reverse is true for STARD3. St...

journal_title：FEBS letters

authors： Borthwick F,Taylor JM,Bartholomew C,Graham A

更新日期：2009-04-02 00:00:00

abstract：:In freshly prepared low density lipoprotein (LDL), ascorbate inhibited LDL oxidation by macrophages at the higher concentrations tested (60-100 microM). In contrast, with LDL that had been allowed to autoxidise in the refrigerator (3 degrees C) for at least 10 weeks after isolation (mildly oxidised or minimally-modifi...

journal_title：FEBS letters

authors： Stait SE,Leake DS

更新日期：1994-03-21 00:00:00

abstract：:The main role of voltage-gated proton channels (Hv1) is to extrude protons from the intracellular milieu when, mediated by different cellular processes, the H(+) concentration increases. Hv1 are exquisitely selective for protons and their structure is homologous to the voltage sensing domain (VSD) of other voltage-gat...

journal_title：FEBS letters

authors： Castillo K,Pupo A,Baez-Nieto D,Contreras GF,Morera FJ,Neely A,Latorre R,Gonzalez C

更新日期：2015-11-14 00:00:00

abstract：:Evidence is presented that single electron reduction is sufficient for rapid electron transfer (k greater than 20 s-1 at pH 8.0 in 0.43 M potassium EDTA) between haem a/CuA and the binuclear centre in 'fast' oxidase, whereas in 'slow' oxidase intramolecular electron transfer is slow even when both CuA and haem a are r...

journal_title：FEBS letters

authors： Moody AJ,Brandt U,Rich PR

更新日期：1991-11-18 00:00:00

abstract：:Dinucleotide polyphosphates (ApnA) have emerged as signaling molecules in rapidly dividing cells. The presence and role of Ap5A in the heart remain unknown. Here, we report that the myocardium contains abundant amounts of diadenosine 5',5"-P1,P5-pentaphosphate (Ap5A), a member of the ApnA family. Ischemia induced 10-f...

journal_title：FEBS letters

authors： Jovanovic A,Jovanovic S,Mays DC,Lipsky JJ,Terzic A

更新日期：1998-02-27 00:00:00

abstract：:The isolation and primary structure of a novel gastrointestinal peptide, designated valosin, is described. The peptide was purified from porcine upper gut extracts using an HPLC and N-terminal sequence screening strategy which depends on chromatographic and structural characteristics as isolation criterion. The amino ...

journal_title：FEBS letters

authors： Schmidt WE,Mutt V,Carlquist M,Kratzin H,Conlon JM,Creutzfeldt W

更新日期：1985-10-28 00:00:00

abstract：:Phalloidin and fluorescently labeled phalloidin analogs are established reagents to stabilize and mark actin filaments for the investigation of acto-myosin interactions. In the present study, we employed transient and steady-state kinetic measurements as well as in vitro motility assays to show that phalloidin perturb...

journal_title：FEBS letters

authors： Diensthuber RP,Müller M,Heissler SM,Taft MH,Chizhov I,Manstein DJ

更新日期：2011-03-09 00:00:00

abstract：:The regulatory system of smooth muscle thin filaments is thought to involve a major calcium-calmodulin and actin binding protein: caldesmon. A dissective approach was used to isolate a 35 kDa C-terminal fragment of the molecule and to produce antibodies reacting against both the intact and the 15 kDa N-terminal end of...

journal_title：FEBS letters

authors： Harricane MC,Cavadore C,Audemard E,Mornet D

更新日期：1990-08-20 00:00:00

abstract：:The uncoupler-induced inactivation of H+-ATPase in hepatoma 22a and mouse liver mitochondria has been studied. The dependence of this process on delta microH, and pH and ATP was established. The inactivated ATPase could be reactivated at alkaline pH values in the absence of ATP. These data indicate that the inactivati...

journal_title：FEBS letters

authors： Chernyak BV,Dukhovich VF,Khodjaev EYu

更新日期：1987-05-11 00:00:00

abstract：:The single cysteinyl residue 26 of spinach calmodulin was labelled with the thiol-specific bimane fluorescence probe. Following application of stoichiometric quantities of Ca2+ or aluminum ions to the protein, temperature-dependent fluorescence changes (anisotropy, lifetime) could be monitored via the label. From thes...

journal_title：FEBS letters

authors： Yuan SX,Haug A

更新日期：1988-07-04 00:00:00

abstract：:The role of p53 as the "guardian of the genome" in differentiated somatic cells, triggering various biological processes, is well established. Recent studies in the stem cell field have highlighted a profound role of p53 in stem cell biology as well. These studies, combined with basic data obtained 20 years ago, provi...

journal_title：FEBS letters

authors： Aloni-Grinstein R,Shetzer Y,Kaufman T,Rotter V

更新日期：2014-08-19 00:00:00

abstract：:The tomato saponin alpha-tomatine has been proposed to kill sensitive cells by binding to cell membranes followed by leakage of cell components. However, details of the modes of action of the compound on fungal cells are poorly understood. In the present study, mechanisms involved in alpha-tomatine-induced cell death ...

journal_title：FEBS letters

authors： Ito S,Ihara T,Tamura H,Tanaka S,Ikeda T,Kajihara H,Dissanayake C,Abdel-Motaal FF,El-Sayed MA

更新日期：2007-07-10 00:00:00

abstract：:The effects of nine drugs on the CD spectra of a synthetic calcium binding analog of site III of rabbit skeletal troponin C, can generally be divided into 3 groups: (1) that consisting of haloperidol, benperidol, molindone and promethazine, had no effect on the CD spectrum or calcium sensitivity of the apopeptide; (2)...

journal_title：FEBS letters

authors： Reid RE,Gariépy J,Hodges RS

更新日期：1983-04-05 00:00:00

abstract：:We have used a competitive enzyme-linked immunoassay with a panel of monoclonal antibodies to probe the topography of the membrane-bound form of apolipoprotein B (apo B) in rabbit microsomes. All epitopes investigated were found to be expressed at the cytosolic side of the microsomal membrane under conditions in which...

journal_title：FEBS letters

authors： Wilkinson J,Higgins JA,Groot PH,Gherardi E,Bowyer DE

更新日期：1992-06-08 00:00:00

abstract：:3C-like (3CL) protease is essential for the life cycle of severe acute respiratory syndrome-coronavirus (SARS-CoV) and therefore represents a key anti-viral target. A compound library consisting of 960 commercially available drugs and biologically active substances was screened for inhibition of SARS-CoV 3CL protease....

journal_title：FEBS letters

authors： Hsu JT,Kuo CJ,Hsieh HP,Wang YC,Huang KK,Lin CP,Huang PF,Chen X,Liang PH

更新日期：2004-09-10 00:00:00

abstract：:In mouse mammary epithelial cells in primary culture, mechanical stimulation of a cell induced in other cells within the same colony a short depolarization of less than 15 mV with a duration of 1-8 s and a subsequent, prominent hyperpolarization of 6 mV lasting 10-40 s. Epidermal growth factor induces a spontaneous hy...

journal_title：FEBS letters

authors： Enomoto K,Furuya K,Maeno T,Edwards C,Oka T

更新日期：1987-10-19 00:00:00

abstract：:We have used 19F NMR and CD spectra to study interactions of TFP with CaM under various conditions where no aggregation of TFP occurs. It was found that TFP is bound to CaM in the absence of Ca2+ with Ka greater than 4 X 10(4) M in terms of 19F NMR of TFP and that KCl markedly influences the interaction of TFP with Ca...

journal_title：FEBS letters

authors： Shimizu T,Hatano M

更新日期：1983-08-22 00:00:00

abstract：:We analysed the biochemical properties of insulin receptors of a Type A insulin resistant patient with a single heterozygous point mutation substituting Gln for Arg1174. Insulin binding capacity and affinity to Epstein-Barr virus transformed lymphocytes was normal. Quantitative analysis of autophosphorylation and subs...

journal_title：FEBS letters

authors： Moritz W,Froesch ER,Böni-Schnetzler M

更新日期：1994-09-05 00:00:00

abstract：:Lysine-rich phosphorylated cystatin alpha (P-cystatin alpha) from newborn rat epidermis is a good substrate for epidermal transglutaminase (TGase) and also one of the component proteins of cornified envelope in the stratum corneum. Since the filaggrin linker segment peptide was efficiently conjugated with P-cystatin a...

journal_title：FEBS letters

authors： Takahashi M,Tezuka T,Kakegawa H,Katunuma N

更新日期：1994-03-07 00:00:00

abstract：:Human serum albumin (HSA) contains a single tryptophan residue at position 214. The emission properties of tryptophan 214 from recombinant albumins, namely, normal HSA, FDH-HSA and a methionine 218 HSA were examined. In all cases, the excited state lifetimes were best described by a two component model consisting main...

journal_title：FEBS letters

authors： Helms MK,Petersen CE,Bhagavan NV,Jameson DM

更新日期：1997-05-12 00:00:00

abstract：:A high intake of dietary fat has been suggested to diminish mitochondrial functioning in skeletal muscle, possibly attributing to muscular fat accumulation. Here we show however, that an 8-week high-fat dietary intervention did not affect intrinsic functioning of rat skeletal muscle mitochondria assessed by respiromet...

journal_title：FEBS letters

authors： Hoeks J,Briedé JJ,de Vogel J,Schaart G,Nabben M,Moonen-Kornips E,Hesselink MK,Schrauwen P

更新日期：2008-02-20 00:00:00

abstract：:In this review, we summarize the currently available information on the membrane topology of some key members of the human ABC protein subfamilies, and present the predicted domain arrangements. In the lack of high-resolution structures for eukaryotic ABC transporters this topology is based only on prediction algorith...

journal_title：FEBS letters

authors： Tusnády GE,Sarkadi B,Simon I,Váradi A

更新日期：2006-02-13 00:00:00